Malicious PDF — malware analysis report

Static analysis result for SHA-256 d470576ccecbfa1f…

MALICIOUS

PDF

41.1 KB Authoring application: Solid Converter PDF
MD5: 60d871cce6735342407b8136261c3971 SHA-1: e19cd39d8c39c3ae4c3a507394a8d029c7ffa5cd SHA-256: d470576ccecbfa1f2c63ff52946721b2aa5859fce06456ad5505ae9d874471ed
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection infrastructure. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. The document body contains garbled text but also lists the same external URLs, reinforcing the attack pattern.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://doolby.net/uploads/1/3/0/3/130379307/2266988.pdf
    • http://bandstore.net/uploads/1/3/0/2/130273872/7748462.pdf
    • http://nataliekasdan.com/uploads/1/3/0/4/130476795/bd2b61.pdf
    • http://your-aroma.co.uk/uploads/1/3/0/6/130605498/6419069.pdf
    • http://monstacartoons.com/uploads/1/3/0/2/130271103/nuvunolibisapesipi.pdf
    • http://northernrailleaders.com/uploads/1/3/0/6/130604910/130604910.html#acc%2Faha+2007+guidelines+for+ua%2Fnstemi

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000104d.bin
d50d514f961e1612d59d7f00d32c87cde53c66aaff6fc39fa2d41cd6283c2026		 pdf-font-stream PDF embedded font (sfnt) at offset 0x104D 7940 bytes
font_01_sfnt_off00005a9c.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A9C 16036 bytes

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